import 'dart:collection';

import 'package:flutter/material.dart';
import 'package:opene/JhPickerTool.dart';
import 'package:opene/app_constant.dart';
import 'package:opene/app_theme.dart';
import 'package:opene/app_utils.dart';
import 'package:opene/base/base_state.dart';
import 'package:opene/base/loading.dart';
import 'package:opene/base/scan_code.dart';
import 'package:opene/net/network_manager.dart';
import 'package:opene/net/response/base_response.dart';
import 'package:opene/ui/inventorytransfer/inventorytransfermodel.dart';
import 'package:opene/ui/inventorytransfer/lpnmapping/lpnmappingoblpnscreen.dart';
import 'package:toast/toast.dart';

class LpnMappingScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return LpnMappingScreenPage();
  }
}

class LpnMappingScreenPage extends StatefulWidget {
  @override
  _LpnMappingPageState createState() => _LpnMappingPageState();
}

class _LpnMappingPageState extends BaseState<LpnMappingScreen> {
  String strDate;
  @override
  String setTitle({String title}) {
    return !Utils.isEmpty(title) ? title : "Inventory Transfer";
  }

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
  }


  @override
  Widget getViewBinding() {
    return Padding(
      padding: const EdgeInsets.only(left: 0, top: 10, right: 0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Container(
            margin: const EdgeInsets.only(left: 15, top: 0, right: 15, bottom: 0),
            width: double.infinity,
            child: ConstrainedBox(
              constraints: BoxConstraints(maxHeight: 35),
              child: TextField(
                controller: textEditingController,
                textInputAction: TextInputAction.search,
                onSubmitted: (String text) {
                  print('Searching for $text');
                  if (Utils.isEmpty(text)) {
                    return;
                  }
                  getLpnPhotoInfo(text);
                },
                // autofocus: true,
                decoration: InputDecoration(
                  suffixIcon: IconButton(
                    padding: EdgeInsets.all(2.0),
                    icon: Icon(
                      Icons.qr_code_scanner,
                      size: 28,
                      color: MyAppTheme.nearlyBlue,
                    ),
                    onPressed: () {
                      // requestPermissions();
                      // Utils.scanBarcode(context);
                      Navigator.of(context).push(MaterialPageRoute(builder: (context) {
                        return ScanCode();
                      })).then((text) {
                        if (text == null) {
                          return;
                        }
                        setState(() {
                          textEditingController.text = text;
                        });
                        print(text); //拿到扫描结果
                        getLpnPhotoInfo(text);
                      });
                    },
                  ),
                  border: OutlineInputBorder(
                    borderSide: BorderSide(
                      color: MyAppTheme.nearlyBlue,
                    ),
                    borderRadius: const BorderRadius.all(Radius.circular(20.0)),
                  ),
                  enabledBorder: OutlineInputBorder(
                    borderSide: BorderSide(color: MyAppTheme.nearlyBlue),
                    // 设置焦点之外的边框颜色
                    borderRadius: const BorderRadius.all(Radius.circular(20.0)),
                  ),
                  focusedBorder: OutlineInputBorder(
                    borderSide: BorderSide(color: MyAppTheme.nearlyBlue),
                    // 设置焦点时的边框颜色
                    borderRadius: const BorderRadius.all(Radius.circular(20.0)),
                  ),
                  hintText: "input trailer#",
                  filled: true,
                  fillColor: MyAppTheme.white,
                  //隐藏下划线
                  //border: InputBorder.none,
                  hintStyle: TextStyle(color: Colors.grey),
                  contentPadding: const EdgeInsets.symmetric(vertical: 0, horizontal: 15),
                ),
                onChanged: (text) {
                  code = text;
                },
              ),
            ),
          ),

          Container(
            height: 40,
            margin: const EdgeInsets.only(left: 15, top: 3, right: 15, bottom: 0),
            width: double.infinity,
            child: Row(
              mainAxisSize: MainAxisSize.min,
              children: <Widget>[
                Text(
                  'Drop Date: ',
                  maxLines: 1,
                  overflow: TextOverflow.ellipsis,
                  style: TextStyle(color: MyAppTheme.color_666666, fontSize: 12.0),
                ),
                Expanded(
                  flex: 1, //设置权重
                  child: GestureDetector(
                    onTap: () {
                      // 请求焦点
                      FocusScope.of(context).requestFocus(FocusNode());

                      JhPickerTool.showDatePicker(context, clickCallback: (var timeStr, var str) {
                        print(timeStr);
                        print(str);
                        setState(() {
                          strDate = timeStr;
                        });
                      });
                    },
                    child: Container(
                      height: 40,
                      alignment: Alignment.center,
                      decoration: BoxDecoration(
                        borderRadius: BorderRadius.all(Radius.circular(20.0)),
                        color: MyAppTheme.white,
                        border: Border.all(
                          color: MyAppTheme.nearlyBlue,
                          width: 1.0,
                        ),
                      ),
                      child: Row(
                        children: [
                          Container(
                            margin: const EdgeInsets.only(left: 0, top: 0, right: 9, bottom: 0),
                            width: 1,
                          ),
                          Expanded(
                            flex: 1, //设置权重
                            child: Text(
                              Utils.getStringisEmpty(strDate),
                              maxLines: 1,
                              overflow: TextOverflow.ellipsis,
                              style: TextStyle(color: MyAppTheme.color_333333),
                            ),
                          ),
                          Icon(
                            Icons.date_range,
                            size: 25,
                            color: MyAppTheme.nearlyBlue,
                          ),
                          Container(
                            margin: const EdgeInsets.only(left: 0, top: 0, right: 9, bottom: 0),
                            width: 1,
                          ),
                        ],
                      ),
                    ),
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }

  void getLpnPhotoInfo(String trailer) async {
    updateHint('');
    Map<String, dynamic> map = new HashMap();
    map["trailerNumber"] = trailer;
    map["outboundDate"] = strDate;

    // 显示加载中对话框
    LoadingIndicator.show(context);

    BaseResponse baseResponse = await NetworkManager().request(context, Constants.inventoryTransfers,params: map);
    // hideDialogFunction();
    // 在需要的时候隐藏加载中对话框
    LoadingIndicator.hide();

    if (baseResponse.status == 200) {
      InventoryTransfer inventoryTransfer = InventoryTransfer.fromJson(baseResponse.data);

      Navigator.push(
        context,
        MaterialPageRoute(builder: (context) => LpnMappingOBLpnScreen(  inventoryTransfer:  inventoryTransfer)),
      ).then((value) => {
            if ((value != null) && value)
              {
                setState(() {
                  textEditingController.text = "";
                })
              }
          });
    } else {
      ToastContext().init(context);
      Toast.show(Utils.getStringisEmpty(baseResponse.msg), duration: Toast.lengthShort, gravity: Toast.bottom);
    }
  }

  @override
  void showFileUploadData(String path, int type, int position, bool isSubmit) {
    // TODO: implement showFileUploadData
  }

  @override
  void setNext() {
    if (Utils.isEmpty(textEditingController.text)) {
      ToastContext().init(context);
      Toast.show("input trailer#", duration: Toast.lengthShort, gravity: Toast.bottom);
      return;
    }
    getLpnPhotoInfo(textEditingController.text);
  }

  @override
  void setReset() {
    setState(() {
      textEditingController.text = "";
      hint = "";
    });
  }
}

class TrailerTypeQr {
  String trailer; //车牌号
  int type = 1;

  Map<String, dynamic> toJson() {
    return {
      "trailer": this.trailer,
      "type": this.type,
    };
  } //类型 1:B2C Packing  2:B2B Packing  3:B2B FTL  4:B2B LTL 5:Transfer 6:return

}
